autumnal equinox

How To Use autumnal equinox In A Sentence

• In ancient times, fasts were traditional at the vernal and autumnal equinoxes and were believed to increase fertility.
• The autumnal equinox is the first day of autumn and occurs when the North Pole begins to lean away from the sun.
• the autumnal equinox
• During colonial times, the proximity of many of these storms to the autumnal equinox led early Americans to call them "equinoctial" storms or "line" storms, thought to be a reference to the tropic of cancer, the imaginary "line" near the hurricane breeding zone that encircles the world at approximately 23 ½ degrees N. latitude (it slowly changes position over time). Otto may form, but tropical season slowing?
• Actual insolation at Earth's surface and latitude ~ 33° N, some weeks after the autumnal equinox, will of course be less than this; let's call it an even 1 kilowatt per square meter.
• The seasons are Spring, Summer, Autumn, and Winter, with the start of each season noted as vernal equinox, summer solstice, autumnal equinox, and winter solstice.
• The autumnal equinox is the day when Autumn begins and night and day are nearly the same length.
• At the autumnal equinox, the sun appears to cross the celestial equator, from north to south; this marks the beginning of autumn in the Northern Hemisphere.
• It occurs once in the spring, the Vernal Equinox, and once in the fall, the Autumnal Equinox.
• The Autumnal Equinox signals the end of the summer months and the beginning of winter.